A quantile regression approach to define optimal ecological niche (habitat suitability) of cockle populations (Cerastoderma edule)
SUPPLEMENTARY DATA
1 Introduction
2 Materials and Methods
All data processing was conducted in R version 4.2.2 (2022-10-31 ucrt) except for MARS 3D pre-treatment in Matlab 2019a. Significance levels are p < .0001 with “****”, p < .001 with “***”, p < .01 with “**”, p < .05 with “*”.
2.1 Study area
Several historically known areas of the Seine estuary with different habitats or communities were studied, mainly mudflats and subtidal areas (Figure 1).